*{
    margin: 0;
    padding: 0;
}

/* 版心 */
.w {
    width: 100%;
    height: 80px;
    background-color: white;
    z-index: 3;
    position: fixed;
}
.center {
    width: 1460px;
    height: 80px;
    position: absolute;
    top: 0px;
    left: 50%;
    margin-left: -730px;
    position: fixed;
    z-index: 2; 
    background-color: white;
}

/* 背景图片 */
.bgc-img{
    position: relative;
}
.bgc-img img:last-child{
    position: absolute;
    left: 0;
    bottom: 0;
    height: 100px;
}
.middles{
    width: 100%;
    height: 100%;
    background-color: #ededef;
}





/*logo字体的整体外壳*/
#logoChangLong {
    position: absolute;
    /*绝对定位*/
    width: 78px;
    height: 68px;
    left: 0px;
    top: -10px;
    transform: scale(0.6);
    /*整体缩放*/
}

/*logo字体的中文*/
#logoChinese {
    font-family: "Microsoft YaHei UI";
    /*定义字体类型为雅黑*/
    font-size: 37px;
    /*定义字体的大小*/
    font-weight: bold;
    /*字体效果：加粗*/
    margin: 0;
    padding: 0;
}

/*logo字体的英文*/
#logoEnglish {
    font-family: "Microsoft YaHei UI";
    /*定义字体类型为雅黑*/
    font-size: 10px;
    /*定义字体的大小*/
    font-weight: bold;
    /*字体效果：加粗*/
    margin: 0;
    padding: 0;
}
/* 导航 */
.daohang{
    width: 1260px;
    position: absolute;
    top: 20px;
    left: 200px;
    display: flex;
    justify-content: space-between;
}
.daohang span{
    display: inline-block;
    height: 30px;
    user-select: none;
    padding: 10px;
    font-weight: bold;
    cursor: pointer;
}

.daohang span:hover{
    color: green;
    font-weight: bold;
    border-bottom: 3px solid green;
}

/* 页面底部 */
footer{
    
	height: 500px;
	background-color: #f6f6f7;
    position: relative;
}
.footer{
	height: 50px;
	background-color: #66CC33;
     position: relative;
     bottom: -500px;   
}
.footer1{
    width: 1460px;
    margin: 0 auto;
    height: 100%;
    position: relative;
}
.footer1 span{
   color: white;
   position: absolute;
   left: 517px;
   top: -135px;
   position: absolute;
}
.help{
	width: 1460px;
    margin: 0 auto;
    height: 100%;
    position: relative;
    top: -400px;
    display: flex;
    justify-content: space-between;
}
.help a{
    color: gray;
    text-decoration: none;
    font-size: 14px;

}
.help dt{
	margin-left: 0px;
    padding-bottom: 10px;      
}
.expand{
    height: 210px;
}
.expand ul{
    width: 195px;
    list-style: none;
}

.expand li{
    float: left;
    margin-left: 3px;
    margin-bottom: 5px;
}
.expand p{
    margin-top: 0px;
    margin-left: 15px;
}
/* 版权  */
.copyright{
	padding-top:20px;
	text-align: center;
	color: #666;
	font-size: 14px;
    position: relative;
    top: -211px;
    left: 0px;
    background-color: #f6f6f7;
}
.copyright span{
	margin: 0px 8px;
	color: #666;
}
.copyright div{
	margin-top: 20px;
}

.copyright div p{
	line-height: 22px;
}
.foot-icon img{
	margin: 5px;
}